How severe is CVE-2020-25540?

CVE-2020-25540 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-25540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 76% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25540?

CVE-2020-25540 affects Thinkadmin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25540?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-25540 published?

CVE-2020-25540 was published on 2020-09-14 and last updated on 2026-06-17.

CVE-2020-25540

CVE-2020-25540 is a high-severity vulnerability in Thinkadmin with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 76% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 76% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Thinkadmin
Published: 2020-09-14
Last modified: 2026-06-17

Description

ThinkAdmin v6 is affected by a directory traversal vulnerability. An unauthorized attacker can read arbitrarily file on a remote server via GET request encode parameter.

Frequently asked questions

What is CVE-2020-25540?: ThinkAdmin v6 is affected by a directory traversal vulnerability. An unauthorized attacker can read arbitrarily file on a remote server via GET request encode parameter.
How severe is CVE-2020-25540?: CVE-2020-25540 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-25540 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 76% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25540?: CVE-2020-25540 affects Thinkadmin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25540?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-25540 published?: CVE-2020-25540 was published on 2020-09-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:thinkadmin:thinkadmin:6.0:*:*:*:*:*:*:*

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